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Table 2 Prevalence of persistent knee/hip pain and risk factors for knee/hip osteoarthritis (n = 2661)

From: Association of osteoarthritis risk factors with knee and hip pain in a population-based sample of 29–59 year olds in Denmark: a cross-sectional analysis

  Women Men
Knee/hip pain No knee/hip pain Knee/hip pain No knee/hip pain
29–39 years 54 (22) 196 (78) 41 (23) 139 (77)
BMI (kg/m2), mean (SD) 27.4 (6.3) 26.4 (6.3) 26.4 (4.8) 26.2 (3.9)
Leisure time physical activity
 High intensity activities 1 (2) 6 (3) 2 (5) 12 (9)
 Moderate intensity activities 10 (19) 43 (22) 14 (34) 43 (31)
 Low intensity activities 29 (54) 114 (58) 17 (41) 57 (41)
 Sedentary 14 (26) 33 (17) 8 (20) 27 (19)
Previous knee/hip injury 27 (50) 32 (16) 21 (51) 34 (24)
Previous knee/hip surgery 11 (20) 17 (9) 10 (24) 14 (10)
Family history of osteoarthritis
 No 6 (11) 72 (37) 13 (32) 58 (42)
 I don’t know 12 (22) 38 (19) 9 (22) 30 (22)
 Yes 36 (67) 86 (44) 19 (46) 51 (37)
40–49 years 130 (28) 331 (72) 69 (20) 281 (80)
BMI (kg/m2), mean (SD) 29.1 (7.6) 26.1 (5.4) 28.5 (4.8) 27.0 (4.7)
Leisure time physical activity
 High intensity activities 2 (2) 6 (2) 1 (1) 9 (3)
 Moderate intensity activities 34 (26) 94 (28) 24 (35) 123 (44)
 Low intensity activities 67 (52) 184 (56) 30 (43) 111 (40)
 Sedentary 27 (21) 47 (14) 14 (20) 38 (14)
Previous knee/hip injury 61 (47) 49 (15) 35 (51) 65 (23)
Previous knee/hip surgery 24 (18) 29 (9) 19 (28) 45 (16)
Family history of osteoarthritis
 No 29 (22) 128 (39) 18 (26) 138 (49)
 I don’t know 22 (17) 53 (16) 15 (22) 42 (15)
 Yes 79 (61) 150 (45) 36 (52) 101 (36)
50–59 years 245 (31) 541 (69) 190 (30) 444 (70)
BMI (kg/m2), mean (SD) 27.6 (5.1) 26.0 (5.1) 28.2 (4.7) 26.9 (4.0)
Leisure time physical activity
 High intensity activities 2 (1) 9 (2) 2 (1) 14 (3)
 Moderate intensity activities 47 (19) 121 (22) 57 (30) 153 (34)
 Low intensity activities 161 (66) 351 (65) 105 (55) 222 (50)
 Sedentary 35 (14) 60 (11) 26 (14) 55 (12)
Previous knee/hip injury 101 (41) 105 (19) 111 (58) 96 (22)
Previous knee/hip surgery 52 (21) 51 (9) 60 (32) 63 (14)
Family history of osteoarthritis
 No 50 (20) 207 (38) 53 (28) 227 (51)
 I don’t know 40 (16) 101 (19) 48 (25) 84 (19)
 Yes 155 (63) 233 (43) 89 (47) 133 (30)
  1. Figures represent numbers and percentages unless otherwise stated
  2. BMI body mass index